XSS in Patreon WordPress
CVE-2021-25026
The Patreon WordPress plugin before 1.8.2 does not sanitise and escape the field "Custom Patreon Page name", which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.007 (51.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Patreon WordPress
- Patreon WordPress — versions 1.8.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/02756dd3-832a-4846-b9e1-a34f148b5cfe (Exploit, Third Party Advisory)
- plugins.trac.wordpress.org/changeset/2682069 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-25026?
- CVE-2021-25026 is a medium-severity vulnerability in Patreon WordPress, classified under Cross-site Scripting. CVSS score: 5.5/10. Published 2022-03-14.
- How severe is CVE-2021-25026?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-25026 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.